Senior Enterprise Network Engineer — Cisco & OT Security

Tata Consultancy Services Limited; Center Square (PA); On-site; USD 120,000 - 130,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Comprehensive Medical Coverage

401K Plan

Certification & Training Reimbursement

Vacation & Holidays

Job summary

Tata Consultancy Services, Blue Bell, PA, seeks an Engineer in Technology to serve as the primary IT network SME. You will troubleshoot and resolve production network issues, manage Cisco LAN/WLAN infrastructure, and coordinate with OT teams for plant connectivity and change management.

The role demands ownership, strong analytical skills, and clear communication with IT, OT, and business stakeholders. Onsite work in Blue Bell supports production networks and site expansions.

Qualifications

• SME for IT network incidents and end‑to‑end troubleshooting.
• Own production‑impacting incidents and drive permanent corrective actions.
• Maintain Cisco LAN infrastructure including Catalyst Layer 2/3 switches and wireless.

Responsibilities

• Act as primary SME for IT network incidents.
• Perform end‑to‑end troubleshooting and resolve network issues.
• Own high‑severity and production‑impacting incidents.
• Root cause analysis and implement permanent fixes.
• Maintain Cisco LAN and wireless infrastructure, including DNAC/ISE.
• Coordinate with OT/plant teams on dependencies and change coordination.
• Execute network changes, upgrades, and patching in approved windows.
• Support new deployments and site expansions.
• Track end‑of‑life and end‑of‑support for hardware/software.

Skills

Cisco Network

Strong ownership mindset

Troubleshooting

Analytical skills

Clear communication

Education

Bachelor of Computer Science

Tools

Cisco DNAC

Cisco ISE

Cisco Firepower

Cisco ASA

Catalyst switches

Job description

Tata Consultancy Services, Blue Bell, PA, seeks an Engineer in Technology to serve as the primary IT network SME. You will troubleshoot and resolve production network issues, manage Cisco LAN/WLAN infrastructure, and coordinate with OT teams for plant connectivity and change management.

The role demands ownership, strong analytical skills, and clear communication with IT, OT, and business stakeholders. Onsite work in Blue Bell supports production networks and site expansions.